CN212306536U

CN212306536U - Aerator impeller

Info

Publication number: CN212306536U
Application number: CN202020369569.6U
Authority: CN
Inventors: 郑卫兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2021-01-08
Anticipated expiration: 2030-03-21

Abstract

The utility model relates to an aerator impeller, which comprises a wheel disc and a plurality of blades arranged on the wheel disc, wherein a straight cylinder penetrating through the center of the wheel disc is fixed on the wheel disc, and the plurality of blades are distributed on the outer side wall of the wheel disc around the circumference of the straight cylinder; still including being located annular retaining ring and the closing cap on rim plate lateral wall one side, annular retaining ring sets up along the circumference outside border of rim plate, the closing cap is fixed on the blade keeps away from the lateral wall of rim plate, the closing cap, annular retaining ring and straight section of thick bamboo lateral wall enclose into the cavity jointly, a plurality of blades are separated the cavity and are a plurality of mixing chambers, be equipped with the multiunit apopore on the annular retaining ring, the multiunit air inlet has been seted up on the rim plate, a plurality of water inlets have been seted up on the inner wall of straight section of thick bamboo. When the impeller rotates, water continuously contacts and mixes with air newly entering the mixing chamber in the process of flowing from the water inlet to the water outlet hole, so that the water flow is rich in air, the mixing degree of the water and the air is improved, and the oxygenation efficiency is higher.

Description

Aerator impeller

Technical Field

The utility model belongs to the technical field of the aquaculture technique and specifically relates to an oxygen-increasing machine impeller is related to.

Background

An oxygen-increasing machine is a common machine in fishery breeding industry, drives working parts through power sources such as a motor or a diesel engine and the like, so that oxygen in air is rapidly transferred to a device in a breeding water body.

At present, chinese patent with publication number CN201536562U discloses an aerator impeller, including wheel body and spoke, the spoke is fastened and installed on the wheel body, the wheel body includes cascade and rim plate, the cascade is arranged on the outer wall of rim plate, is a set of blades that the shape is the same, the interval equals and rotational symmetry, the blade is a continuous curved surface, the rim plate is a solid of revolution.

The oxygen-increasing machine impeller in the above-mentioned patent is in the use, and the rim plate floats on the surface of water, and the blade submergence is in aqueous, and through power supply drive rim plate such as motor rotate in aqueous, the blade is along with rim plate pivoted in-process with water toward stirring outwards in order to form the surge to increase the contact between oxygen and the water in the air. However, although the impeller of the aerator can push a large amount of water to move, the contact time of the water body and the air is short, and the air which can enter the water body is limited, so that the aeration effect is poor.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, one of the purposes of the utility model is to provide an oxygen-increasing machine impeller, its advantage that has improvement oxygenation efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: an aerator impeller comprises a wheel disc and a plurality of blades arranged on the wheel disc, wherein a straight cylinder penetrating through the center of the wheel disc is fixed on the wheel disc, and the plurality of blades are distributed on the outer side wall of the wheel disc around the circumference of the straight cylinder; still including being located annular retaining ring and the closing cap board on rim plate lateral wall one side, annular retaining ring sets up along the circumference outside border of rim plate, the closing cap board is fixed on the blade keeps away from the lateral wall of rim plate, closing cap board, annular retaining ring and straight section of thick bamboo lateral wall enclose into the cavity jointly, and a plurality of blades are separated the cavity and are a plurality of mixing chambers, be equipped with the apopore of multiunit and cavity intercommunication on the annular retaining ring, the multiunit apopore respectively with the mixing chamber one-to-one, set up the multiunit air inlet with the cavity intercommunication on the rim plate, the multiunit air inlet respectively with the mixing chamber one-to-one, seted up the multiunit water inlet on the closing cap board, the multiunit water inlet respectively with the.

Through adopting above-mentioned technical scheme, during the impeller is rotatory, water in the mixing chamber is thrown away from the apopore under the centrifugal force effect, and outside water rethread water inlet constantly supplys to the mixing chamber in, the air enters into the mixing chamber through the air inlet, water constantly contacts and mixes with the air that newly gets into the mixing chamber from the in-process that the water inlet flows to the apopore, make rich in the air in the rivers, can once again with external air contact after water is thrown away from the impeller, further improve the mixing degree of water and air, make oxygenation efficiency higher.

The present invention may be further configured in a preferred embodiment as: the blade is provided with a plurality of water holes which are uniformly distributed along the length direction of the blade.

Through adopting above-mentioned technical scheme, cross two adjacent mixing chambers of water hole intercommunication, along with the rotation of impeller, the water that the blade can promote the mixing chamber rotates together, and the water of the small part in the mixing chamber passes during the water hole gets into adjacent mixing chamber, stirs the water in the adjacent mixing chamber, makes the hydroenergy of mixing chamber can have better mixed effect to the air.

The present invention may be further configured in a preferred embodiment as: the water through holes are formed in one side, close to the wheel disc, of the corresponding blade.

Through adopting above-mentioned technical scheme, it has the air inlet to open on rim plate one side, and when the position of crossing the water hole on the blade was more close to the rim plate, the water that is close to the rim plate part in the mixing chamber can flow to adjacent mixing chamber through crossing the water hole, consequently sneaks into the air that enters into the mixing chamber more easily at the in-process that flows at this part water, further improves the mixed effect with oxygen.

The present invention may be further configured in a preferred embodiment as: one side of the blade is a high-pressure surface, the other side of the blade is a negative-pressure surface, and the air inlet is close to the blade facing the corresponding mixing chamber by the negative-pressure surface.

Through adopting above-mentioned technical scheme, the high-pressure surface of blade is used for propelling water, and the water pressure that the high-pressure surface received is great, and the water pressure that the negative pressure surface received is then weak a lot, and the water of blade high-pressure surface one side is impressed blade low-pressure surface one side through the water hole to form rivers, behind the air inlet was close to the negative pressure surface of blade, rivers can produce the impact effect to the air that enters into the mixing chamber from the air inlet, the mixture of air and water with higher speed.

The present invention may be further configured in a preferred embodiment as: the blade is arc-shaped, and the end part of the blade far away from the straight cylinder is bent towards one side of the negative pressure surface.

Through adopting above-mentioned technical scheme, the blade has the guide effect to the water that is in the mixing chamber, and the blade still can guide water toward delivery port one side motion when promoting water pivoted, and the rotatory centrifugal force that produces of cooperation can reduce the resistance that the blade received when rotating, reduces the power requirement to being used for driving impeller pivoted motor.

The present invention may be further configured in a preferred embodiment as: the water outlet is close to the blade facing the corresponding mixing chamber with the high pressure surface, and the water outlet is far away from the blade facing the corresponding mixing chamber with the negative pressure surface.

By adopting the technical scheme, the water outlet hole does not completely cover the circumferential side wall of the annular retainer ring, but is positioned on one side of the corresponding mixing chamber close to the high-pressure surface of the blade, and water on one side of the negative-pressure surface in the mixing chamber needs to move to one side of the mixing chamber close to the negative-pressure surface when flowing out from the water outlet hole, so that the flowability of the water in the mixing chamber is further improved.

The present invention may be further configured in a preferred embodiment as: welding strips are fixed on two sides of each blade, one welding strip is fixedly connected with the cover plate through welding, and the other welding strip is fixedly connected with the wheel disc through welding.

Through adopting above-mentioned technical scheme, strengthen the connection between closing cap board and the rim plate through the blade, make whole impeller form a whole, improve impeller overall structure's in the use stability.

The present invention may be further configured in a preferred embodiment as: the water inlet on the closing cap board all is close to the center of closing cap board, and all water inlets extend each other and form the breach together and at the center of closing cap board, straight section of thick bamboo passes the breach, a plurality of inhalant canal have been seted up on the inner wall of straight section of thick bamboo, a plurality of inhalant canal respectively with a plurality of mixing chambers one-to-one.

Through adopting above-mentioned technical scheme, increase the passageway that outside water enters into the mixing chamber, improve the speed that the mixing chamber was intake, make the impeller can exert an influence to more water to accelerate oxygenation efficiency.

The present invention may be further configured in a preferred embodiment as: the water inlet is in one side that corresponding mixing chamber is close to the negative pressure face, and the water inlet of the same group distributes along the length direction of blade, and the air inlet and the water inlet that communicate with same mixing chamber correspond the setting, and the lateral wall that the air inlet is close to corresponding negative pressure face and corresponding water inlet are close to and are connected with the water conservancy diversion spare between the lateral wall of corresponding negative pressure face, the middle part of water conservancy diversion spare is protruding towards corresponding high-pressure face one side.

Through adopting above-mentioned technical scheme, the water inlet sets up along blade length direction, and the quantity of water inlet can set up more for the area sum of water inlet is bigger, makes entering into the mixing chamber that water can be more, improves oxygenation efficiency.

The present invention may be further configured in a preferred embodiment as: and a guide piece covering the water inlet is arranged on one side of the cover sealing plate, which is away from the mixing chamber, a water diversion channel is arranged on the side wall of the guide piece, which faces the rotation direction of the impeller, and the water diversion channel is communicated with the corresponding mixing chamber.

Through adopting above-mentioned technical scheme, the guide is used for increasing the area of contact with water at the impeller rotation in-process to water under will intercepting passes through diversion channel guide mixing chamber, increases the inflow in the mixing chamber, and can accelerate the velocity of water flow, further improve oxygenation efficiency.

To sum up, the utility model discloses a following at least one useful technological effect:

1. by arranging the annular retainer ring and the sealing cover plate, a mixing chamber is formed in the impeller, so that water and air can be fully mixed in the mixing chamber, and the oxygenation efficiency is improved;

2. through the arrangement of the water through holes, the flowability of the water body in the impeller is improved, the contact time of water and air is prolonged, and the oxygenation efficiency is further improved;

3. through setting up curved blade, make things convenient for the blade to promote water, reduce the resistance that receives when the blade rotates, reduce the requirement to drive power.

Drawings

FIG. 1 is a schematic view of the structure of example 1 at a first viewing angle;

FIG. 2 is a schematic structural view at a second angle of view in example 1;

FIG. 3 is a partial exploded view in example 1;

FIG. 4 is a sectional view in example 1;

FIG. 5 is a schematic view of the entire structure of embodiment 2;

FIG. 6 is a partial sectional view of embodiment 2;

fig. 7 is an enlarged view of a in fig. 6.

In the figure, 1, a wheel disc; 11. an air inlet; 2. a blade; 21. water passing holes; 22. high-pressure noodles; 23. a negative pressure surface; 3. a straight cylinder; 31. a water inlet channel; 4. a mounting seat; 5. an annular retainer ring; 51. a water outlet hole; 6. a plate block; 61. a water inlet; 62. a flow guide member; 621. a first baffle; 622. a second baffle; 63. a guide; 631. a drainage channel; 7. a mixing chamber; 8. welding the strips; 9. and (7) connecting rings.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1: the utility model discloses an aerator impeller, see figure 1, including rim plate 1 and straight section of thick bamboo 3. The wheel disc 1 is a conical cylinder, the straight cylinder 3 is coaxially arranged with the wheel disc 1, one end of the straight cylinder 3 penetrates through the small end of the wheel disc 1, and the circumferential outer side wall of the straight cylinder 3 is welded with the inner diameter of the small end of the wheel disc 1. The other end of the straight cylinder 3 is positioned in the large end of the wheel disc 1, the connecting ring 9 is arranged on the circumferential outer side wall of the large end of the straight cylinder 3, the inner ring side wall of the connecting ring 9 is welded on the circumferential outer side wall of the straight cylinder 3, and the outer ring edge of the connecting ring 9 is welded and fixed with the side wall of the wheel disc 1. The straight cylinder 3 is fixed with the mount pad 4 on being close to the tip circumference inside wall of rim plate 1 big end, and the mount pad 4 is used for the output shaft of motor to connect, and when the motor started, the output shaft of motor can drive rim plate 1 through straight cylinder 3 and rotate.

Referring to fig. 1 and 2, an annular retainer ring 5 arranged along the circumferential edge of the wheel disc 1 is fixed on one side of the wheel disc 1 departing from the connecting ring 9, a plurality of blades 2 are arranged in the annular retainer ring 5, and the plurality of blades 2 are uniformly distributed around the small end circumference of the straight cylinder 3. The blade 2 is the arc, and the one end welding of blade 2 is on the tip lateral wall that straight section of thick bamboo 3 is close to 1 tip of rim plate, and the other end welding of blade 2 is on the inner wall of annular retaining ring 5. It should be noted that, in order to reduce the resistance to the rotation of the blades 2, the middle of the blades 2 should be convex toward the rotation direction of the whole impeller. The side of the blade 2 facing the direction of rotation is a high pressure surface 22, while the other side of the blade 2 is a negative pressure surface 23. The side of the blade 2 far away from the wheel disc 1 is covered with a cover plate. The shape of closing cap board is similar rim plate 1, and the outside border of closing cap board and annular retaining ring 5 keep away from the one end welded fastening of rim plate 1, and the inboard border of closing cap board is close to the tip that straight section of thick bamboo 3 is close to 1 tip of rim plate, forms the intermediate layer of placing blade 2 between closing cap board and the rim plate 1.

Referring to fig. 2 and 3, welding strips 8 are arranged on two sides of the blade 2, the welding strips 8 and the blade 2 are integrally formed, the welding strip 8 on one side of the blade 2 is welded on the wheel disc 1, and the welding strip 8 on the other side provides a welding position for the cover plate. The cover plate is formed by a plurality of plate blocks 6, and the shape of the plate blocks 6 is consistent. All install a plate 6 between the adjacent blade 2, and the both sides of plate 6 weld respectively on the welding strip 8 of the corresponding blade 2 in both sides, the one end tip welding of plate 6 is on the relevant position of annular retaining ring 5, and the tip that all plates 6 kept away from annular retaining ring 5 links together in proper order and encloses into the breach, and the tip that straight section of thick bamboo 3 is close to 1 tip of rim plate passes from the breach. The blades 2 are respectively fixed with the wheel disc 1, the annular retainer ring 5, the cover plate and the straight cylinder 3, so that the whole impeller is formed into a firm whole, and the phenomenon that the structure of the impeller is shaken and dispersed in the rotating process is avoided.

Referring to fig. 3 and 4, the plate 6, the two blades 2 connected to the plate 6, the annular collar 5 and the disk 1 together enclose a mixing chamber 7. The plate 6 is kept away from the tip of annular retaining ring 5 and is constituted a water inlet 61 to the interval of 3 lateral walls of straight section of thick bamboo, and straight section of thick bamboo 3 still sets up a plurality of inlet channels 31 with 7 one-to-one of mixing chamber on being close to the tip terminal surface of 1 tip of rim plate, and inlet channel 31 can cooperate water inlet 61 in order to improve the efficiency of intaking of corresponding mixing chamber 7. The blade 2 is provided with a plurality of water through holes 21, and the water through holes 21 are uniformly distributed along the length direction of the blade 2. The water through holes 21 are positioned on one side of the blade 2 close to the wheel disc 1. Be equipped with the apopore 51 of multiunit and cavity intercommunication on the annular retaining ring 5, multiunit apopore 51 respectively with mixing chamber 7 one-to-one, apopore 51 is close to the blade 2 towards corresponding mixing chamber 7 with high-pressure surface 22, and apopore 51 keeps away from the blade 2 towards corresponding mixing chamber 7 with negative pressure surface 23. Set up the multiunit air inlet 11 with the cavity intercommunication on the rim plate 1, multiunit air inlet 11 respectively with a plurality of mixing chambers 7 one-to-one, air inlet 11 is close to the blade 2 with negative pressure surface 23 towards corresponding mixing chamber 7, a set of air inlet 11 comprises a plurality of inlet ports, a plurality of inlet ports of same group along similar blade 2's length direction evenly distributed.

In actual use, the impeller is placed with the cover plate facing downwards into a body of water such as a pond, with the inlet 61 and inlet channel 31 submerged in the water, with part of the inlet 11 above the water surface and the outlet 51 also preferably remaining above the water surface. When the motor works, the whole impeller rotates, water in the impeller is thrown out from the water outlet hole 51 under the action of centrifugal force, and negative pressure occurs in the area, close to the negative pressure surface 23, in the mixing chamber 7. So that water is pressed into the mixing chamber 7 from the water inlet 61 and the corresponding water inlet channel 31 and water on the side of the high pressure surface 22 of the blade 2 also enters the mixing chamber 7 on the side of the negative pressure surface 23 of the blade 2 through the water through holes 21. Air is pressed into the mixing chamber 7 through the air inlet 11, air and water which are flushed into the mixing chamber 7 are mixed together in the process of moving towards the water outlet hole 51, and water flows directly contact with outside air when being thrown out of the impeller from the water outlet hole 51, so that enough air can be brought back when the water flows fall into water bodies such as ponds again, and the oxygen content in the water bodies is improved. The impeller is small in overall friction force when rotating in water, the requirement on the power of the motor is low, and the cost is well controlled.

Example 2: referring to fig. 5, the present embodiment is different from embodiment 1 in that: the end of the plate 6 far away from the annular retainer ring 5 extends along the length direction of the blade 2 and is welded on the circumferential outer side wall of the straight cylinder 3. A plurality of water inlets 61 are present on one plate 6, the plurality of water inlets 61 on the same plate 6 are all close to the adjacent blades 2 facing the corresponding mixing chamber 7 with the negative pressure surface 23, and the plurality of water inlets 61 on the same plate 6 are arranged along the length direction of the adjacent blades 2. Each water inlet 61 is covered with a guide part 63, the guide part 63 is positioned on one side of the cover plate, which is away from the mixing chamber 7, the shape of the guide part 63 is a triangular cone, one side surface of the guide part 63 faces the rotation direction of the impeller, and a water guide channel communicated with the corresponding water inlet 61 is arranged on the side wall.

Referring to fig. 6 and 7, the air inlets 11 and the water inlets 61 communicated with the same mixing chamber 7 are in one-to-one correspondence, a flow guide member 62 is connected between the air inlets 11 and the corresponding water inlets 61, the flow guide member 62 is composed of a first flow guide plate 621 and a second flow guide plate 622, the length of the first flow guide plate 621 is greater than that of the second flow guide plate 622, one end of the first flow guide plate 621 is connected to the side wall of the corresponding negative pressure surface 23 close to the corresponding water inlet 61, the other end of the first flow guide plate 621 inclines towards one side of the mixing chamber 7 close to the high pressure surface 22 and is connected with one end of the second flow guide plate 622, and the other end of the second flow guide plate 622 is.

When the impeller starts to rotate, because the diversion channel 631 cannot block water on the rotation path, water in the water body can more easily enter the mixing chamber 7 through the diversion channel 631, the air pressure in the mixing chamber 7 is lower due to the flow of the water in the mixing chamber 7, external air is pressed into the mixing chamber 7 from the air inlet 11, and then the water flow and the air flow are converged together under the guiding action of the first guide plate 621 and the second guide plate 622 respectively, so that the air is more fully and violently mixed into the water flow.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an oxygen-increasing machine impeller, includes rim plate (1) and a plurality of blade (2) of installing on rim plate (1), its characterized in that: a straight cylinder (3) penetrating through the center of the wheel disc (1) is fixed on the wheel disc (1), and a plurality of blades (2) are distributed on the outer side wall of the wheel disc (1) around the circumference of the straight cylinder (3); the device is characterized by further comprising an annular retainer ring (5) and a cover sealing plate, wherein the annular retainer ring (5) is located on one side of the outer side wall of the wheel disc (1), the cover sealing plate is fixed on the side wall, far away from the wheel disc (1), of the blades (2), the cover sealing plate, the annular retainer ring (5) and the side wall of the straight cylinder (3) jointly enclose a cavity, the cavity is divided into a plurality of mixing chambers (7) by the blades (2), a plurality of groups of water outlet holes (51) communicated with the cavity are formed in the annular retainer ring (5), the plurality of groups of water outlet holes (51) are respectively in one-to-one correspondence with the mixing chambers (7), a plurality of groups of air inlets (11) communicated with the cavity are formed in the wheel disc (1), the plurality of groups of air inlets (11) are respectively in one-to-one correspondence with the mixing chambers (7), a plurality of groups of water inlets (, the water inlets (61) are all communicated with the corresponding mixing chambers (7).

2. The aerator impeller of claim 1, wherein: the blade (2) is provided with a plurality of water holes (21), and the water holes (21) are uniformly distributed along the length direction of the blade (2).

3. The aerator impeller of claim 2, wherein: the water through holes (21) are formed in one side, close to the wheel disc (1), of the blade (2).

4. The aerator impeller of claim 1, wherein: one side of the blade (2) is a high-pressure surface (22), the other side of the blade (2) is a negative-pressure surface (23), and the air inlet (11) is close to the blade (2) which faces the corresponding mixing chamber (7) through the negative-pressure surface (23).

5. The aerator impeller of claim 4, wherein: the blades (2) are arranged in an arc shape, and the end parts, far away from the straight cylinder (3), of the blades (2) are bent towards one side of the negative pressure surface (23).

6. The aerator impeller of claim 4, wherein: the outlet opening (51) is close to the blade (2) facing the respective mixing chamber (7) with the high-pressure surface (22), and the outlet opening (51) is distant from the blade (2) facing the respective mixing chamber (7) with the negative-pressure surface (23).

7. The aerator impeller of claim 1, wherein: welding strips (8) are fixed on two sides of each blade (2), one welding strip (8) is fixedly connected with the cover plate through welding, and the other welding strip (8) is fixedly connected with the wheel disc (1) through welding.

8. The aerator impeller of claim 1, wherein: the water inlet (61) on the closing cap board all is close to the center of closing cap board, and all water inlets (61) extend each other and form the breach together and at the center of closing cap board, a straight section of thick bamboo (3) pass the breach, a plurality of inhalant canal (31) have been seted up on the inner wall of a straight section of thick bamboo (3), a plurality of inhalant canal (31) respectively with a plurality of mixing chamber (7) one-to-one.

9. The aerator impeller of claim 4, wherein: the water inlet (61) is located one side that corresponding mixing chamber (7) is close to negative pressure surface (23), and water inlet (61) of the same group distributes along the length direction of blade (2), and air inlet (11) and water inlet (61) with same mixing chamber (7) intercommunication correspond the setting, and air inlet (11) are close to being connected with water conservancy diversion spare (62) between the lateral wall of corresponding negative pressure surface (23) and corresponding water inlet (61) are close to the lateral wall of corresponding negative pressure surface (23), the middle part of water conservancy diversion spare (62) is protruding towards corresponding high-pressure surface (22) one side.

10. The aerator impeller of claim 9, wherein: one side that the closing cap board deviates from mixing chamber (7) is equipped with guide piece (63) that covers on water inlet (61), seted up diversion channel (631) on guide piece (63) the lateral wall that faces impeller direction of rotation, diversion channel (631) and corresponding mixing chamber (7) intercommunication.